I have a THIN pair of Man***** wind stopper gloves. They are insanely good. Truly wind proof, yet breathable.

Though they're not designed for it, I've found them to be the ultimate glove-liner. I couple them with simple leather workgloves. Reflective ones (Kinco, but any good thick pair would work).

As mentioned above, the work gloves are not snug.

These work to 20*, but only for rides sub-two hours.

If I lost my Man*****s, I would cry, and kick myself for not having two pair.

i also have a pair of Pearl Izumi claw gloves. They do the job to 25*, but the sweat buildup is always an issue with them. They certainly get the job done, and I always worry that the moisture will lead to problems, but it doesn't. After a while, my hands are noticeably wet. The "windproofness" keeps the wet from being cold.

As for dexterity, claws work just fine. You forget about them pretty quickly.